Duncanella borealis Horn Corals

This post is of a horn coral fossil called Duncanella borealis  (Nicholson, 1889). Fossil found in the Waldron Shale of Clark County Indiana USA. It dates to the Silurian Period.

Fossil on display at Falls of the Ohio Interpretative Center Clarksville Indiana USA as of December 2022.

Favosites occidentalis Coral Fossil

 

This post is of a coral fossil called Favosites occidentalis (Hall, 1875). Fossil found in the Waldron Shale of Clark County Indiana USA. It dates to the Silurian Period.

Fossil on display at Falls of the Ohio Interpretative Center Clarksville Indiana USA as of December 2022.

Platyceras niagarense with Cornulites proprius

This post is of two fossils: the gastropod Platyceras (Platystoma) niagarense (Hall, 1852) with several worm tubes known as Cornulites proprius. Fossil found in the Waldron Shale of Clark County Indiana USA. It dates to the Silurian Period.

Fossil on display at Falls of the Ohio Interpretative Center Clarksville Indiana USA as of December 2022.